21707192

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6733}}^1$

素因数の和:6783

約数の個数: 32

約数和(自身を含む): 45252480

約数和(自身を除く): 23545288

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 6733, 13466, 26932, 53864, 87529, 175058, 208723, 350116, 417446, 700232, 834892, 1669784, 2713399, 5426798, 10853596, 21707192]

約数ペア:

[(1, 21707192), (2, 10853596), (4, 5426798), (8, 2713399), (13, 1669784), (26, 834892), (31, 700232), (52, 417446), (62, 350116), (104, 208723), (124, 175058), (248, 87529), (403, 53864), (806, 26932), (1612, 13466), (3224, 6733)]